Members bar

Most members flock to the bar at half time where there can be hundreds of customers at any one time; checking their phones, catching up and enjoying a drink. As the members bar is located in the concrete grandstand, the 4G/3G signal can be unreliable at times, so Jack doesn’t like to rely wholly on the 4G/3G signal reception.

Essential Plus has been recommended as the ideal solution for the members bar as it can be integrated with a Linkly accredited POS. It offers flexibility for integration with the POS via the use of either a serial cable or USB cable.

Given the 4G/3G signal can be unreliable in the members bar, which of the following would be an advantage for Jack?